Senior Salesforce Developer

Methods; City of Westminster; On-site; GBP 80,000 - 100,000; Full time

Job summary

A digital transformation company in the United Kingdom is seeking a Senior Salesforce Developer to lead the design and development of Salesforce applications. The role involves ensuring best practices, working closely with stakeholders, and contributing to continuous improvement efforts. Candidates should have over 5 years of Salesforce development experience including Apex and Lightning, along with strong leadership capabilities. This position offers opportunities to be part of impactful projects in the public sector and beyond.

Benefits

Autonomy to develop and grow skills

Exciting project work

Supportive environment

Inspiring leadership

Qualifications

• 5+ years' experience in Salesforce development (Apex, Lightning, Visualforce).
• Proven experience integrating Salesforce with enterprise systems and APIs.
• Experience with DevOps practices including Salesforce DX and version control tools.

Responsibilities

• Lead the design, development, and customisation of Salesforce applications.
• Integrate Salesforce with external systems using REST/SOAP APIs.
• Conduct code reviews and enforce development best practices.
• Work closely with business analysts to translate requirements into solutions.

Skills

Salesforce development (Apex, Lightning, Visualforce)

Integration with enterprise systems and APIs

Understanding of Salesforce architecture and security model

DevOps practices (Salesforce DX, Git)

Problem-solving abilities

Leadership capability

Education

Bachelor's degree in Computer Science or related discipline

Salesforce Platform Developer I certification

Salesforce Platform Developer II certification

Job description

The Senior Salesforce Developer holds end-to-end responsibility for designing, developing, and enhancing Salesforce solutions that underpin the delivery of high-quality services aligned to business requirements. The role provides technical leadership and direction, ensuring that development resources are effectively deployed to maintain business‑as‑usual capability while delivering agreed enhancements and transformation activity that support system stability, scalability, and long‑term sustainability. Acting as the senior technical point of contact for Salesforce delivery, the Senior Salesforce Developer ensures best‑practice governance, coding standards, and development methodologies are consistently applied. The role works closely with business analysts, product owners, architects, and third‑party suppliers to ensure solution continuity and alignment across the Salesforce ecosystem. The Senior Salesforce Developer contributes to the continuous improvement of development practices, supports capability uplift across the team, and ensures that Salesforce solutions continue to evolve in line with platform innovations and organisational needs.

Key Responsibilities

• Lead the design, development, and customisation of Salesforce applications using Apex, Lightning Web Components, Visualforce, and related technologies.
• Own the technical design process, ensuring solutions meet architectural standards, security requirements, and business needs.
• Integrate Salesforce with external systems using REST/SOAP APIs, middleware, and third‑party applications.
• Conduct code reviews, enforce development best practices, and ensure high‑quality, reusable, and scalable code.
• Maintain data integrity, system performance, and platform scalability through proactive monitoring and technical optimisation.
• Ensure adoption of Salesforce DevOps practices, including Salesforce DX, version control (e.g., Git), and CI/CD pipelines.
• Remain up to date with Salesforce releases, evaluate new features, and recommend adoption within the organisation.
• Work closely with business analysts, solution architects, and stakeholders to gather, refine, and translate technical requirements into deliverable solutions.
• Act as the technical escalation point for complex issues across the Salesforce platform.
• Communicate technical decisions, platform considerations, and delivery status to senior stakeholders.
• Represent Salesforce technical delivery in governance forums and project meetings.
• Ensure alignment between Salesforce development activity and wider digital strategy, delivery priorities, and operational requirements.
• Provide mentorship, technical guidance, and support to junior developers and cross‑functional colleagues.
• Support knowledge‑management activities, ensuring documentation, patterns, and reusable components are maintained.
• Contribute to the uplift of internal Salesforce capability by enabling skills development and sharing best practice across teams.
• Support the creation of delivery collateral and technical input for bids or new project opportunities where Salesforce expertise is required.

5+ years' experience in Salesforce development (Apex, Lightning, Visualforce). Strong understanding of Salesforce architecture, security model, data model, and governance. Proven experience integrating Salesforce with enterprise systems and APIs. Experience with DevOps practices including Salesforce DX and version control tools (e.g., Git). Demonstrable track record of delivering successful Salesforce implementations. Salesforce Platform Developer I & II certifications (preferred). Bachelor's degree in Computer Science, Information Systems, or related discipline (preferred).

Additional Desired Skills

• Experience across Sales Cloud, Service Cloud, and Marketing Cloud.
• Advanced knowledge of SOQL, SOSL, JavaScript, HTML/CSS.
• Strong problem‑solving abilities, communication skills, and leadership capability.

This role will require you to have or be willing to go through Security Clearance. As part of the onboarding process candidates will be asked to complete a Baseline Personnel Security Standard; details of the evidence required to apply may be found on the government website Gov.UK. If you are unable to meet this and any associated criteria, then your employment may be delayed, or rejected. Details of this will be discussed with you at interview.

Methods is an established £100m Digital Transformation company, part of the Alten Group, which over the last 30+ years has provided innovative business and digital technology services. We have over 50 active clients many of which have been working with us for more than 10 years. Since our establishment in 1990, Methods has partnered with a range of central government departments and agencies to transform the way the public sector operates in the UK. Our mission is to improve and safeguard public‑facing services. We apply digital thinking to ensure the future of our public services is centred around our citizens. Our human touch sets us apart from other consultancies, system integrators and software houses – we have a customer‑centric value system whereby we focus on delivering what is right for our clients. We passionately support our clients in the success of their projects while working collaboratively to share skill sets and solve problems. At Methods we have fun while working hard; we are not afraid of making mistakes and learning from them. Predominantly focused on the public‑sector, Methods is now building a significant private‑sector client portfolio. Methods was acquired by the Alten Group in early 2022. Headquartered in central London, with seven regional offices, the company has over 300 colleagues in an organisation centred around distinct portfolio offerings and a further central support services function. Methods delivers multi‑disciplinary and full‑lifecycle services in a range of specialisms, all related to transitioning from monolithic legacy estates to new, user‑centric, cloud and hybrid‑based models. The company is a national leader in combining user‑centric digital service design with cloud‑based open architecture and modern technology services.

• Autonomy to develop and grow your skills and experience
• Be part of exciting project work that is making a difference in society
• Strong, inspiring and thought‑provoking leadership
• A supportive and collaborative environment